Allocation of Resources Without Limits or Throttling Affecting qpid-proton package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-ECHOLATEST-QPIDPROTON-18533407
- published5 Aug 2026
- disclosed5 Aug 2026
Introduced: 5 Aug 2026
NewCVE-2026-67591 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest qpid-proton.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qpid-proton package and not the qpid-proton package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service.
This issue affects Apache Qpid ProtonJ2: through 1.1.0.
Users are recommended to upgrade to version 1.2.0, which fixes the issue.